| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Industrial relations and the political process in Nigeria | 978-92-9014-179-2 (92-9014-179-4) | 1981 | |
| Industrial relations in southern Africa: The challenge of change | 978-92-2-111358-4 (92-2-111358-2) | 1998 | |
| Labour-Management Cooperation in SMEs: Forms and Factors | 978-92-2-117413-4 (92-2-117413-1) | 2007 | Emily Sims · Arturo Tolentino |